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XRT83VSH314 Datasheet(PDF) 2 Page - Exar Corporation |
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XRT83VSH314 Datasheet(HTML) 2 Page - Exar Corporation |
2 / 80 page XRT83VSH314 2 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT REV. 1.0.1 FEATURES • Fully integrated 14-Channel short haul transceivers for T1/J1 (1.544MHz) and E1 (2.048MHz) applications • T1/E1/J1 short haul and clock rate are per port selectable through software without changing components • Internal Impedance matching on both receive and transmit for 75Ω (E1), 100Ω (T1), 110Ω (J1), and 120Ω (E1) applications are per port selectable through software without changing components • Power down on a per channel basis with independent receive and transmit selection • Five pre-programmed transmit pulse settings for T1 short haul applications per channel • User programable Arbitrary Pulse mode • On-Chip transmit short-circuit protection and limiting protects line drivers from damage on a per channel basis • Selectable Crystal-Less digital jitter attenuators (JA) with 32-Bit or 64-Bit FIFO for the receive or transmit path • Driver failure monitor output (DMO) alerts of possible system or external component problems • Transmit outputs and receive inputs may be "High" impedance for protection or redundancy applications on a per channel basis • Support for automatic protection switching • 1:1 and 1+1 protection without relays • Receive monitor mode handles 0 to 6dB resistive attenuation (flat loss) along with 0 to 6dB cable loss for both T1 and E1 • Loss of signal (RLOS) according to ITU-T G.775/ETS300233 (E1) and ANSI T1.403 (T1/J1) • Programmable data stream muting upon RLOS detection • On-Chip HDB3/B8ZS encoder/decoder with an internal 16-bit LCV counter for each channel • On-Chip digital clock recovery circuit for high input jitter tolerance • QRSS/PRBS pattern generator and detection for testing and monitoring • Error and bipolar violation insertion and detection • Transmit all ones (TAOS) Generators and Detectors • Supports local analog, remote, digital, and dual loopback modes • 1.8V Digital Core • 3.3V I/O and Analog Core • 304-Pin BGA package • -40°C to +85°C Temperature Range • Supports gapped clocks for mapper/multiplexer applications PRODUCT ORDERING INFORMATION PRODUCT NUMBER PACKAGE TYPE OPERATING TEMPERATURE RANGE XRT83VSH314IB 304 Lead PBGA -40°C to +85°C |
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